Home / 13,334.88-18,400.80-8,028.84

Finding the Fourth Proportional to 13,334.88, 18,400.80 and 8,028.84

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Solution

The fourth proportional to 13,334.88, 18,400.80 and 8,028.84 is: 11,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.88 : 18,400.80 = 8,028.84 : x
  2. Step 2: Convert to fraction form
    13,334.88/18,400.80 = 8,028.84/x
  3. Step 3: Cross multiply
    13,334.88x = 18,400.80 × 8,028.84
  4. Step 4: Simplify right side
    13,334.88x = 147,737,079.07
  5. Step 5: Solve for x
    x = 147,737,079.07/13,334.88
  6. Step 6: Final answer
    x = 11,079.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.